Support tilde in URLs

useragent/useragent.go

@@ -34,7 +34,7 @@ func ExtractUserAgentFromNginxAccessLog(line string) string {
 	return line[idx+1 : len(line)-1]
 }
 
-const uri = `[\w:/._?&=@-]+`
+const uri = `[\w:/._?&=@~-]+`
 
 var clientRegex = regexp.MustCompile(`(\w+)/([\w.@_/-]+)`)
 var singleUserRegex = regexp.MustCompile(`\(\+(` + uri + `)[;,]\s*@(\w+)\)`)

useragent/useragent_test.go

@@ -74,6 +74,17 @@ func TestParseUserAgent(t *testing.T) {
 				WhoFollowsURL: "",
 			},
 		},
+		{
+			name:      "Single user client User-Agent with tilde in URL",
+			userAgent: "twtxt/1.2.3 (+http://ctrl-c.club/~jlj/public_html/tw.txt; @jlj)",
+			expected: UserAgent{
+				ClientName:    "twtxt",
+				ClientVersion: "1.2.3",
+				TwtxtURLs:     []string{"http://ctrl-c.club/~jlj/public_html/tw.txt"},
+				TwtxtNicks:    []string{"jlj"},
+				WhoFollowsURL: "",
+			},
+		},
 		{
 			name:      "Single user client User-Agent with comma instead of semicolon as separator",
 			userAgent: "twtxt/1.1 (+http://twtxt.xyz/u/reednj.txt, @reednj) twtxt.xyz/1.21",